{"id":"https://openalex.org/W2772392970","doi":"https://doi.org/10.1109/iecon.2017.8216377","title":"A sept-branch modular multilevel converter for three-phase to single-phase direct AC/AC equal frequency conversion","display_name":"A sept-branch modular multilevel converter for three-phase to single-phase direct AC/AC equal frequency conversion","publication_year":2017,"publication_date":"2017-10-01","ids":{"openalex":"https://openalex.org/W2772392970","doi":"https://doi.org/10.1109/iecon.2017.8216377","mag":"2772392970"},"language":"en","primary_location":{"id":"doi:10.1109/iecon.2017.8216377","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iecon.2017.8216377","pdf_url":null,"source":{"id":"https://openalex.org/S4363608531","display_name":"IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070282974","display_name":"Ming Lei","orcid":"https://orcid.org/0000-0003-2239-0057"},"institutions":[{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Ming Lei","raw_affiliation_strings":["University of Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114585454","display_name":"Yaohua Li","orcid":"https://orcid.org/0000-0002-9175-9666"},"institutions":[{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yaohua Li","raw_affiliation_strings":["University of Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018592150","display_name":"Zixin Li","orcid":"https://orcid.org/0000-0002-0783-0299"},"institutions":[{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zixin Li","raw_affiliation_strings":["University of Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001257726","display_name":"Fei Xu","orcid":"https://orcid.org/0000-0001-8135-1301"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fei Xu","raw_affiliation_strings":["Key Laboratory of Power Electronics and Electric Drive, Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Power Electronics and Electric Drive, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065925434","display_name":"Ping Wang","orcid":"https://orcid.org/0000-0002-1510-7869"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ping Wang","raw_affiliation_strings":["Key Laboratory of Power Electronics and Electric Drive, Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Power Electronics and Electric Drive, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019750202","display_name":"Cong Zhao","orcid":"https://orcid.org/0000-0001-7186-0567"},"institutions":[{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cong Zhao","raw_affiliation_strings":["University of Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5070282974"],"corresponding_institution_ids":["https://openalex.org/I4210165038"],"apc_list":null,"apc_paid":null,"fwci":2.0658,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.85505435,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"2239","last_page":"2244"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11102","display_name":"HVDC Systems and Fault Protection","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11102","display_name":"HVDC Systems and Fault Protection","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14502","display_name":"High-Voltage Power Transmission Systems","score":0.940500020980835,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11568","display_name":"Railway Systems and Energy Efficiency","score":0.9363999962806702,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/modular-design","display_name":"Modular design","score":0.6386823058128357},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.5578246116638184},{"id":"https://openalex.org/keywords/direct-current","display_name":"Direct current","score":0.5062745809555054},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.49051111936569214},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.4866648316383362},{"id":"https://openalex.org/keywords/ac-power","display_name":"AC power","score":0.47172561287879944},{"id":"https://openalex.org/keywords/power-factor","display_name":"Power factor","score":0.45570406317710876},{"id":"https://openalex.org/keywords/three-phase","display_name":"Three-phase","score":0.4322178363800049},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4272877275943756},{"id":"https://openalex.org/keywords/energy-transformation","display_name":"Energy transformation","score":0.41822347044944763},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.41729700565338135},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3887048363685608},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.3746459186077118},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3063150644302368},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.22720867395401},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.16211366653442383}],"concepts":[{"id":"https://openalex.org/C101468663","wikidata":"https://www.wikidata.org/wiki/Q1620158","display_name":"Modular design","level":2,"score":0.6386823058128357},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.5578246116638184},{"id":"https://openalex.org/C2776620479","wikidata":"https://www.wikidata.org/wiki/Q159241","display_name":"Direct current","level":3,"score":0.5062745809555054},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.49051111936569214},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.4866648316383362},{"id":"https://openalex.org/C108755667","wikidata":"https://www.wikidata.org/wiki/Q1930258","display_name":"AC power","level":3,"score":0.47172561287879944},{"id":"https://openalex.org/C64424096","wikidata":"https://www.wikidata.org/wiki/Q750454","display_name":"Power factor","level":3,"score":0.45570406317710876},{"id":"https://openalex.org/C173871940","wikidata":"https://www.wikidata.org/wiki/Q471846","display_name":"Three-phase","level":3,"score":0.4322178363800049},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4272877275943756},{"id":"https://openalex.org/C144822601","wikidata":"https://www.wikidata.org/wiki/Q11271324","display_name":"Energy transformation","level":2,"score":0.41822347044944763},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.41729700565338135},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3887048363685608},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3746459186077118},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3063150644302368},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.22720867395401},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.16211366653442383},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iecon.2017.8216377","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iecon.2017.8216377","pdf_url":null,"source":{"id":"https://openalex.org/S4363608531","display_name":"IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8899999856948853}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1530709209","https://openalex.org/W1569093217","https://openalex.org/W1905682177","https://openalex.org/W1915388693","https://openalex.org/W1925378518","https://openalex.org/W2004393080","https://openalex.org/W2015547686","https://openalex.org/W2049304459","https://openalex.org/W2052802498","https://openalex.org/W2056370486","https://openalex.org/W2062876910","https://openalex.org/W2074272335","https://openalex.org/W2088673779","https://openalex.org/W2107820305","https://openalex.org/W2121271034","https://openalex.org/W2146790143","https://openalex.org/W2330498776","https://openalex.org/W2546552416","https://openalex.org/W2567816385","https://openalex.org/W3149645911","https://openalex.org/W4241876174","https://openalex.org/W6632067278","https://openalex.org/W6666205865"],"related_works":["https://openalex.org/W2810491476","https://openalex.org/W4382929618","https://openalex.org/W4224929845","https://openalex.org/W2032057857","https://openalex.org/W4289363416","https://openalex.org/W2911298097","https://openalex.org/W2368257499","https://openalex.org/W2376772961","https://openalex.org/W2381093994","https://openalex.org/W1551156272"],"abstract_inverted_index":{"For":[0],"medium-":[1],"to":[2,83],"high-voltage":[3],"AC/AC":[4,8,38,64,77],"conversion":[5,9,46,65,80],"applications,":[6],"direct":[7,37,63,76],"scheme":[10],"by":[11],"adopting":[12],"the":[13,27,114,134,137,140],"modular":[14],"multilevel":[15],"converter":[16],"(MMC)":[17],"shows":[18],"remarkable":[19],"advantages":[20],"on":[21,119],"costs":[22],"and":[23,50,85,91,139],"efficiency":[24],"compared":[25],"with":[26],"AC/DC/AC":[28],"solution":[29],"which":[30],"employs":[31],"a":[32,57,120],"back-to-back":[33],"MMC":[34,39,59],"configuration.":[35],"However,":[36],"suffers":[40],"from":[41,81],"branch":[42,89],"energy":[43,90],"instability":[44],"when":[45],"frequencies":[47],"of":[48,69,75,113,136],"input":[49],"output":[51],"are":[52,116],"equal.":[53],"This":[54],"paper":[55],"presents":[56],"sept-branch":[58],"(SB-MMC)":[60],"topology":[61],"for":[62,124],"applications.":[66],"The":[67],"feature":[68],"this":[70],"SB-MMC":[71,115,122,138],"is":[72,128],"its":[73],"capability":[74],"equal":[78],"frequency":[79],"three-phase":[82],"single-phase":[84],"vice":[86],"versa.":[87],"Balanced":[88],"unity":[92],"power":[93,126],"factor":[94],"at":[95],"grid":[96],"side":[97],"can":[98],"be":[99],"achieved":[100],"simultaneously":[101],"under":[102],"various":[103],"load":[104],"conditions.":[105],"Operating":[106],"principle":[107],"as":[108,110,144],"well":[109],"control":[111,142],"strategy":[112,143],"described.":[117],"Simulation":[118,131],"27.5kV/50MVA":[121],"model":[123],"railway":[125],"supply":[127],"carried":[129],"out.":[130],"results":[132],"validate":[133],"effectiveness":[135],"proposed":[141],"well.":[145]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}